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Let total marks be ‘x’ According to the question, 0.3x + 60 = 0.55x – 90 Or, 0.55x – 0.30x = 90 + 60 Or, 0.25x = 150 Or, x = 600 Passing marks = (0.30 × 600) + 60 = 240
Select the correct combination of mathematical signs to replace (#) signs and to balance the given equation.
630 # 15 # 14 # 5 # 24 # 121
By interchanging the given two signs and numbers which of the following equation will be correct?
× and +, 6 and 4
If 'A' stands for '-', 'B' stands for '×', 'C' stands for '+', and 'D' stands for '÷', then what is the value of the following expression.
54 D...
If ‘A’ means (÷), ‘B’ means (×), ‘C’ means (+), and ‘D’ means (-), then ____ is the value of the expression.
25 A 5 B 8 D 6 C 4...
If ‘P’ means ‘+’, V means ‘×’, T means ‘-‘ and ‘Q’ means “÷’ , then find the value of the expression given below:
30 P ...
If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by”
180 × 12 ...
If ‘$’ means ‘÷’, ‘#’ means ‘×’, ‘@’ means ‘-’ and ‘%’ means ‘+’, then the value of 65 @ 21 $ 3 # 5 % 7
...Select the correct combination of mathematical signs that can sequentially replace the $ signs and make the equation correct.
252 $ 28 $ 17 $ ...
If "+" means "subtraction", "×" means "division", "÷" means "addition" and "–" means "multiplication", then solve 98 – 2 x 14 ÷ 5 – 7 + 40 .
If '+' means 'division', '-' means 'multiplication', '÷' means 'addition' and ' X ' means 'subtraction', then what is the value of the following expres...